6648590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 13003200

約数和(自身を除く): 6354610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 257, 398, 514, 995, 1285, 1990, 2570, 2587, 3341, 5174, 6682, 12935, 16705, 25870, 33410, 51143, 102286, 255715, 511430, 664859, 1329718, 3324295, 6648590]

約数ペア:

[(1, 6648590), (2, 3324295), (5, 1329718), (10, 664859), (13, 511430), (26, 255715), (65, 102286), (130, 51143), (199, 33410), (257, 25870), (398, 16705), (514, 12935), (995, 6682), (1285, 5174), (1990, 3341), (2570, 2587)]